Allan Hawco Jake Doyle Actor, Executive Producer Sean McGinley Malachy Doyle Actor Lynda Boyd Rose Doyle Actor Krystin Pellerin Leslie Bennett Actor Marthe Bernard Tinny Doyle Actor Mark O'Brien Des Courtney Actor Bob Cole The Republic Actor Sean Panting Walter McLean Actor Steve O'Connell Sergeant Daniel Hood Actor Rachel Wilson Dr. Nikki Renholds Actor Natasha Henstridge Guest Star Luke Kirby Guest Star Shaun Majumder Guest Star Aaron Abrams Guest Star Jason Gray-Stanford Guest Star Jonathan Goad Guest Star Joel Thomas Hynes Guest Star Dwain Murphy Guest Star Aiden Flynn Guest Star Megan Kennedy Guest Star Liane Balaban Guest Star John Vatcher Executive Producer Michael Levine Executive Producer